Carbohydrate Chemistry Quiz

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Questions and Answers

What is the range of monosaccharide units in an oligosaccharide?

  • 20-50
  • 10-100
  • 2-10 (correct)
  • 50-1000

What is the composition of oligosaccharide molecules?

  • Composed of monosaccharide molecules (correct)
  • Composed of polysaccharide molecules
  • Cannot be broken down into monosaccharides
  • Composed of molecules with many carboxyl groups

What is the intermediate group between monosaccharides and polysaccharides?

  • Trioses
  • Glycosides
  • Aldohexoses
  • Oligosaccharides (correct)

What type of carbohydrates are broken down into 2-10 monosaccharide units?

<p>Carbohydrates broken down into 2-10 monosaccharide units (B)</p> Signup and view all the answers

What type of bond is present in oligosaccharide molecules?

<p>Glycosidic bond (B)</p> Signup and view all the answers

How many types of bonds are present in oligosaccharides?

<p>2 (C)</p> Signup and view all the answers

What is the bond formed between two monosaccharide molecules called?

<p>Disaccharide bond (B)</p> Signup and view all the answers

Which carbon atom's hydroxyl group is involved in the formation of a glycosidic bond in disaccharides?

<p>C1 (A)</p> Signup and view all the answers

What is the principle of formation of reducing disaccharides?

<p>α-glycosidic bond – β-glycosidic bond (B)</p> Signup and view all the answers

What is the principle of formation of non-reducing disaccharides?

<p>α-glycosidic bond – α-glycosidic bond (B)</p> Signup and view all the answers

Which carbon atom's hydroxyl group is involved in the formation of a glycosidic bond in non-reducing disaccharides?

<p>C1-C4 (A)</p> Signup and view all the answers

How are disaccharides classified?

<p>Reducing and non-reducing (C)</p> Signup and view all the answers

What type of saccharide plays a reserve role in plant organisms?

<p>Starch (D)</p> Signup and view all the answers

What is the result of the complete hydrolysis of glycogen?

<p>Glucose and maltose (B)</p> Signup and view all the answers

What is the molecular mass of the macromolecule of cellulose?

<p>400min-2mlng (D)</p> Signup and view all the answers

What type of bond is present in the macromolecule of cellulose?

<p>Hydrogen bond (B)</p> Signup and view all the answers

What is the percentage of cellulose in wood?

<p>50-70% (D)</p> Signup and view all the answers

What determines the high mechanical strength, water resistance, and chemical inertness of cellulose?

<p>Hydrogen bond (B)</p> Signup and view all the answers

What is the reason for the mutagenesis of disaccharides?

<p>Ciklo-okso tautomeriya (C)</p> Signup and view all the answers

Which of the following disaccharides is also known as milk sugar?

<p>Laktoza (B)</p> Signup and view all the answers

What is the result of the reaction of disaccharides with amylase?

<p>Kraxmal idirawinin' (C)</p> Signup and view all the answers

Which carbon atoms of the D-glyukopiranoza molecule participate in the formation of α-glykosid bond in maltose?

<p>C4-C2 (C)</p> Signup and view all the answers

Which of the following disaccharides is a reducing sugar?

<p>Maltoza (B)</p> Signup and view all the answers

What is the reason for the return of disaccharides to their original form?

<p>Ciklo-okso tautomeriya (D)</p> Signup and view all the answers

What is the location of the hydroxyl group in galactosamine?

<p>4- halatinda (D)</p> Signup and view all the answers

What is the type of bond between the monosaccharides in chondroitin sulfate?

<p>Acetal bond (A)</p> Signup and view all the answers

What is the molecular weight range of chondroitin sulfates?

<p>10-60 min (D)</p> Signup and view all the answers

What is the type of disaccharide unit in heparin?

<p>Glucuronic acid and N-acetylglucosamine (D)</p> Signup and view all the answers

What is the characteristic of glucosamine residues in heparin?

<p>Amino group is sulfated and acetylated (B)</p> Signup and view all the answers

Which type of sugar residues in heparin can have sulfate groups?

<p>Both glucuronic acid and iduronic acid (A)</p> Signup and view all the answers

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